Bottle opener



FIG. 1 is a bottom, front, left side perspective view of a bottle opener;

FIG. 2 is a bottom, front, right side perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The broken lines depict environmental subject matter only and form no part of the claimed design. 

The ornamental design for a bottle opener, as shown and described. 